B_141212_OrdenarArray, C (gcc)

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//Title of this code

#include  <stdio.h>
#include <stdlib.h>
#include <time.h>

#define _T 100

void mostrarArray(long tam , short a[tam]);
void rellenarAleatoriosArray
    (long tam, short a[tam], short lI, short lS);
void ordenarValoresArray(long tam , short a[tam]);
void intercambiar(short*x, short*y);
double calculoMediaValoresArray(long tam, short a[tam]);

int main(void)
{
    short array[_T];
    
    rellenarAleatoriosArray(_T, array, 1000, 2000);
    mostrarArray(_T, array);
    printf("\n\n");
    ordenarValoresArray(_T, array);
    mostrarArray(_T, array);
    
    double media = calculoMediaValoresArray(_T, array);
    printf("\n\tLa media es %.2lf\n\n", media);
    
    return 0;
}

void mostrarArray(long tam , short a[tam])
{
    long i;
    for(i = 0 ; i < tam ; i++)
    {
        if(i % 5 == 0) printf("\n");
        printf("%8hd", a[i]);
    }
    return;
}

void rellenarAleatoriosArray
    (long tam, short a[tam], short lI, short lS)
{
    long i;
    for(srand(time(NULL)), i = 0 ; i < tam ; i++)
    {
        a[i] = lI + rand() % (lS - lI + 1);
    }
    return;
}

void ordenarValoresArray(long tam , short a[tam])
{
    long i, j;
    for(i = 0 ; i < tam ; i++)
    {
        for(j = i + 1 ; j < tam ; j++)
        {
            if(a[i] > a[j])
            {
                intercambiar(a + i, &a[j]);
            }
        }
    }
    return;
}

void intercambiar(short*x, short*y)
{
    short aux = *x;
    *x = *y;
    *y = aux;
    return;
}

double calculoMediaValoresArray(long tam, short a[tam])
{
    double suma;
    long i;
    
    for(suma = i = 0 ; i < tam ; i++)
    {
        suma += a[i];
    }
    return suma / tam;
}

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Compilation time: 0.22 sec, absolute running time: 0.13 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0.36 sec